Discovery HD

More everyday items are put under the microscope. What does it take to make riding mowers, popcorn, adjustable beds and cultured diamonds.

More everyday items are put under the microscope. What does it take to make airstream trailers, horseradish, industrial steam boilers and deodorant.

The Raneys are in Maine to help a couple whose homestead is overrun with boglands. They build structures to help with the brutal winters.

Mike gets his hands on a valuable 1995 Ford Escort RS Cosworth. Can new mechanic Ant Anstead bring back the 227 hp engine's famous 'fizz'.

Mike hopes to capitalise on '80s nostalgia by restoring an original 1982 Toyota Supra. Can Ant bring this car into the modern era without losing its originality.

Sig and Sophia score some hybrid crab, but a tank imbalance risks capsizing the Northwestern. The Time Bandit crew races incoming ice to get OJ home.

As Hurricane Harvey hits Texas with 130 mph winds and record rainfall, civilians risk their lives to save others in one of the costliest US disasters.

Josh Gates studies the vanishing of the 16th-century inhabitants of Roanoke, the purported discovery of the city of Sodom, and Stonehenge's secrets.

The Bering Sea threatens to claim Sig and Wild Bill's gear unless they can beat the rapidly freezing waters. Rip takes on a massive amount of extra quota.

Sig and Sophia score some hybrid crab, but a tank imbalance risks capsizing the Northwestern. The Time Bandit crew races incoming ice to get OJ home.

As Hurricane Harvey hits Texas with 130 mph winds and record rainfall, civilians risk their lives to save others in one of the costliest US disasters.

Sean continues his search for the boulder that marks the gold patch he found last summer. In need of a new plan, Emily asks Sean for permission to dredge the Bluff.

It's a holiday extravaganza! Presented with Secret Santa gifts, Richard, Mike and Howard bring their backwoods skills to distil the cheeriest Christmas spirit.

Find out how prams, factory-build homes, wood flutes, and bicycle tyres are made.

Find out how thinning shears, wagon wheels, toaster pastries, and violin bows are made.

A silver maple is used as the base for a cedar-shingled structure with a curved turret two stories high and a deck with views of Lake Chelan.

Pete heads to the Platte River Valley of eastern Nebraska to build a magical, towering treetop castle for a family that has decided to never grow up.

Parker unleashes chaos to get four plants running for the first time. Tony splurges on a new plant and Rick fires up in Vegas Valley.

Two brothers team up with their girlfriends to build a yurt that can survive harsh Maine winters. They start off confident but are soon challenged.

Novice builders face material delays, hurricanes and wildlife while building a country cottage on their remote family farm in southeast Georgia.

A dog is rushed to the clinic after being hit by a car. Four rats must be neutered before adoption and a little girl rescues kittens in Grand Junction.

A tribe of fainting goats are seen by Dr. Jeff and Hector, while Dr. Amy discovers why a cute and cuddly kitten is teary-eyed.

More everyday items are put under the microscope. What does it take to make screwdrivers, compact track loaders, physician scales and carbon fibre bats.

More everyday items are put under the microscope. What does it take to make escalators, Kevlar canoes, goat's cheese and disc music boxes.

More everyday items are put under the microscope. What does it take to make motorcycle engines, glass enamel sculptures, hand-made paper and vaulting poles.

How are hammers, Swiss cheese, roller skates and coloured pencils made? Find out as more everyday items are put under the microscope.

Crash And Berm. Marty re-rescues the Broadhead family, whose Ohio home faces major structural issues. He must restore a settling berm and construct a concrete storm.

Italy. In northern Italy, Mike and Elvis tackle the last truly analogue Ferrari, the 348. And this one is in dire need of a cambelt change.

Mike spots a bargain supercar: a Maserati 4200GT for under £10k! Under the hood is a Ferrari V8, but can Elvis fix the potentially costly gearbox and clutch issues.

Mike tracks down a rare '91 Alfa Romeo 164L. He loves the look, but Ant has his work cut out for him. The car has perfect bodywork, but it has a leaking engine.

Being a truck driver isn't easy: long hours, huge loads and busy roads are just some of the issues they face. Truckers share their journeys.

Clues from the Zodiac Killer are finally deciphered. A million-dollar treasure is revealed. An ancient manuscript may explain the origins of life.

As ice blocks St. Paul Harbor, captains race to deliver their final snow crab. Sig deploys a risky tactic and the Wizard's 77-year-old hull cracks open.

Mike tracks down a rare '91 Alfa Romeo 164L. He loves the look, but Ant has his work cut out for him. The car has perfect bodywork, but it has a leaking engine.

Being a truck driver isn't easy: long hours, huge loads and busy roads are just some of the issues they face. Truckers share their journeys.

Kris' scheme to make a fortune on Shawn's Bluff find is sabotaged. Zeke may have found his mining future - until the ice breaks up and he has to move.

For the first time, families bring their inherited moonshine recipes to the arena. But when they fire up stills together under pressure, sparks fly.

Find out how bathtubs, Hopi Kachina dolls, mine truck engines, and memory cards are made.

More everyday items are put under the microscope, with a closer look at out how cycling shoes, yurts, marine plywood, and encaustic paint are made.

A treehouse escape grows into a full-time live-in treehouse when Pete lays eyes on the Sitka spruce of his dreams for a hexagonal build on the coast of Oregon.

Merry Fishmas! Pete heads to Dogwood Canyon. Despite a tight Christmas deadline, Pete and his team create a two-story hands-on learning haven with a giant copper-topped turret.

Rick makes a big score at Vegas Valley. Parker's four-plant blitz stumbles. To keep his hot streak going, Tony pilfers more gear from his son Mike.

Parker fights to stop his gold slide, Rick makes a discovery that could end his Vegas Valley dreams, and Kevin scores big at Sphinx Cut.

A couple plans to build their home out of straw bales in the Arizona desert in only six months using Earthship architecture as their motivation.

A Texas couple teams up with canvas tent experts to create a dream glamping experience. But they soon find the build is anything but luxurious.

Dr. Jeff and vet tech Ben head to a remote island in Panama to help with the pet population. And, a sickly Sphynx kitten needs serious medical attention.

Dr. Amy performs surgery on a canine who was impaled with a stick, while Dr. Baier helps Kino, a hound in heat even though she's been spayed twice.

How are carbon-fibre bicycles, forged chandeliers and ballpoint pens made? Find out as more everyday items are put under the microscope.

How are Swiss Army knives, oil tankers and racing wheels made? Find out as more everyday items are put under the microscope.

How are bowling balls, barber poles, felt and radar guns made? Find out as more everyday items are put under the microscope.

How are copper pipe fittings, cylinder music boxes, pepper mills and steering columns made? Find out as more items go under the microscope.

Novice farmsteaders in Iowa are on the verge of losing the legacy of their late father. The Raneys must quickly give them an off-grid masterclass.

Car dealer Mike Brewer snatches up a 1973 Ford Mustang Mach 1. Can mechanic Ant Anstead bring back the lost power by tuning up and enhancing the engine.

Mike Brewer and Ant Anstead try to arouse the passion of the Saab enthusiast community by restoring a rusty, non-driving 1973 Saab 96 to its past glory.

The final two teams compete to build traps, shoot targets, bushcraft weapons and make fire. They fight to raise their flag and take home $200,000.

A new study shows the Shroud of Turin could be real. Old ghost photos are analysed with new tools. The creator of the Georgia Guidestones is revealed.